487a86d06a
* src/bin/common_aoutput.cc: Add --check=unambiguous. * src/twa/twa.hh: New unambiguous property. * src/twaalgos/hoa.cc: Print it. * src/twaalgos/ltl2tgba_fm.cc: Set it. * src/twaalgos/isunamb.cc, src/twaalgos/isunamb.hh (check_unambiguous): New function. * src/tests/unambig.test: More tests.
46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
// -*- coding: utf-8 -*-
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// Copyright (C) 2013, 2015 Laboratoire de Recherche et Developpement
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// de l'Epita (LRDE).
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//
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// This file is part of Spot, a model checking library.
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//
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// Spot is free software; you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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//
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// Spot is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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// License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "isunamb.hh"
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#include "twaalgos/product.hh"
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#include "sccfilter.hh"
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#include "stats.hh"
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#include <set>
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#include <list>
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namespace spot
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{
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bool is_unambiguous(const const_twa_graph_ptr& aut)
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{
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if (aut->is_deterministic() || aut->is_unambiguous())
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return true;
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auto clean_a = scc_filter_states(aut);
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auto prod = product(clean_a, clean_a);
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auto clean_p = scc_filter_states(prod);
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tgba_statistics sa = stats_reachable(clean_a);
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tgba_statistics sp = stats_reachable(clean_p);
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return sa.states == sp.states && sa.transitions == sp.transitions;
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}
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bool check_unambiguous(const twa_graph_ptr& aut)
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{
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aut->prop_unambiguous(is_unambiguous(aut));
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return aut->is_unambiguous();
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}
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}
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